adguard-home-manager/lib/screens/clients/blocked_allowed_list.dart

// ignore_for_file: use_build_context_synchronously

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';

import 'package:adguard_home_manager/screens/clients/remove_domain_modal.dart';

import 'package:adguard_home_manager/providers/app_config_provider.dart';
import 'package:adguard_home_manager/models/clients_allowed_blocked.dart';
import 'package:adguard_home_manager/providers/servers_provider.dart';
import 'package:adguard_home_manager/services/http_requests.dart';
import 'package:adguard_home_manager/classes/process_modal.dart';

class BlockedAllowedList extends StatelessWidget {
  final String type;
  final List<String> data;
  final Future Function() fetchClients;

  const BlockedAllowedList({
    Key? key,
    required this.type,
    required this.data,
    required this.fetchClients
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final serversProvider = Provider.of<ServersProvider>(context);
    final appConfigProvider = Provider.of<AppConfigProvider>(context);

    void confirmRemoveDomain(String domain) async {
      Map<String, List<String>> body = {};

      if (type == 'allowed') {
        body = {
          "allowed_clients": serversProvider.clients.data!.clientsAllowedBlocked?.allowedClients.where((client) => client != domain).toList() ?? [],
          "disallowed_clients": serversProvider.clients.data!.clientsAllowedBlocked?.disallowedClients ?? [],
          "blocked_hosts": serversProvider.clients.data!.clientsAllowedBlocked?.blockedHosts ?? [],
        };
      }
      else if (type == 'blocked') {
        body = {
          "allowed_clients": serversProvider.clients.data!.clientsAllowedBlocked?.allowedClients ?? [],
          "disallowed_clients": serversProvider.clients.data!.clientsAllowedBlocked?.disallowedClients.where((client) => client != domain).toList() ?? [],
          "blocked_hosts": serversProvider.clients.data!.clientsAllowedBlocked?.blockedHosts ?? [],
        };
      }

      ProcessModal processModal = ProcessModal(context: context);
      processModal.open(AppLocalizations.of(context)!.removingClient);

      final result = await requestAllowedBlockedClientsHosts(serversProvider.selectedServer!, body);

      processModal.close();

      if (result['result'] == 'success') {
        serversProvider.setAllowedDisallowedClientsBlockedDomains(
          ClientsAllowedBlocked(
            allowedClients: body['allowed_clients'] ?? [], 
            disallowedClients: body['disallowed_clients'] ?? [], 
            blockedHosts: body['blocked_hosts'] ?? [], 
          )
        );
      }
      else if (result['result'] == 'error' && result['message'] == 'client_another_list') {
        appConfigProvider.addLog(result['log']);
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(AppLocalizations.of(context)!.clientAnotherList),
            backgroundColor: Colors.red,
          )
        );
      }
      else {
        appConfigProvider.addLog(result['log']);
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(AppLocalizations.of(context)!.clientNotRemoved),
            backgroundColor: Colors.red,
          )
        );
      }
    }

    if (data.isNotEmpty) {
      return RefreshIndicator(
        onRefresh: () async {},
        child: ListView.builder(
          padding: const EdgeInsets.only(top: 0),
          itemCount: data.length,
          itemBuilder: (context, index) => ListTile(
            title: Text(data[index]),
            trailing: IconButton(
              onPressed: () => {
                showDialog(
                  context: context, 
                  builder: (context) => RemoveDomainModal(
                    onConfirm: () => confirmRemoveDomain(data[index]),
                  )
                )
              }, 
              icon: const Icon(Icons.delete_rounded)
            ),
          )
        ),
      );
    }
    else {
      return SizedBox(
        width: double.maxFinite,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text(
              AppLocalizations.of(context)!.noClientsList,
              textAlign: TextAlign.center,
              style: const TextStyle(
                fontSize: 24,
                color: Colors.grey
              ),
            ),
            const SizedBox(height: 30),
            TextButton.icon(
              onPressed: fetchClients, 
              icon: const Icon(Icons.refresh_rounded), 
              label: Text(AppLocalizations.of(context)!.refresh),
            )
          ],
        ),
      );
    }
  }
}